4 Flashcards
What sample is taken for rabies diagnosis:
a) saliva
b) blood
c) brain
** c) brain **
Cytopathic effect is:
a) genetic mutation of cell culture after virus infection
b) monolayer duplication after virus inoculation
c) destruction of the cells after virus inoculation
** c) destruction of the cells after virus inoculation **
Which medium is used for cultivation of salmonella:
a) MacConkey agar
b) Tween agar
c) Sabourad agar
** a) MacConkey agar **
Which methods is used for microscopic detection of fungi:
a) native with KOH
b) stamp
c) dark field microscopy
a) native with KOH
What are the main reagents in ELISA test:
- Antigen or antibody (one is labeled)
- Enzyme
- Chromogen
?? - DNA sample
- Enzymes
- Primers
- Dioxyribonucleus
What are the advantages of real time PCR comparing with classical PCR:
- Fast answer
- Easy
Division of etiological agents according to their pathogenicity:
- Obligate
- Facultative
- Apathogenic
Abortive infection is:
a) infection causing abortion
b) fetal infection
c) infection disappearing after prodromal period
** c) infection disappearing after prodromal period **
Give an example of non-contagious infectious diseases:
- Lyme disease, Blue tounge
- Ear, bladder, kidney infection
Describe risk assessment in epizootiology:
- Pathogenicity
- Mode of transportation
- Hosts
- If the pathogen is zoonotic (interspecies transmission-humans)
- Mortality